would this add up to more power consumptions, a 5w difference per chip is negligible, however if you have a 1000 chip or even a few hundred chip the power bill will shoots up? 1000 chip x 5w = 5000w
I am fairly certain that anyone considering a 5TH mining operation would feel confident in handling 5000w as total power draw, over a vastly increased cost per chip and a later delivery date.